v1.6.0

What's Changed

• revert: "refactor!: make available_servers function private" by @dundargoc in #3589
• fix(angularls): set Angular core version for backwards compatibility by @mactep in #3592
• fix(angularls): handle nil while checking angular core version by @ask-786 in #3594

Full Changelog: v1.5.0...v1.6.0